package interview.sync.lock;/*

 */

import java.security.PrivateKey;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

/**
 * @ClassName ThreadDemo2
 * @Author Final
 * @Project DataStructures
 */

class ShareResource{

    //定义标志位
    private int flag =1;

    //创锁
    private Lock lock=new ReentrantLock();

    //创建三个condition
    private Condition c1=lock.newCondition();
    private Condition c2=lock.newCondition();
    private Condition c3=lock.newCondition();

    public void print5(int loop) throws InterruptedException {
        lock.lock();
        try {

            while (flag!=1){
                c1.await();
            }

            for (int i=0;i<=5;i++){
                System.out.println(Thread.currentThread().getName()+"---->"+i+"---->"+loop);
            }
            flag=2;
            c2.signal();//通知
        }finally {
            lock.unlock();
        }
    }

    public void print10(int loop) throws InterruptedException {
        lock.lock();
        try {

            while (flag!=2){
                c1.await();
            }

            for (int i=0;i<=10;i++){
                System.out.println(Thread.currentThread().getName()+"---->"+i+"---->"+loop);
            }
            flag=3;
            c3.signal();//通知
        }finally {
            lock.unlock();
        }
    }

    public void print15(int loop) throws InterruptedException {
        lock.lock();
        try {

            while (flag!=3){
                c1.await();
            }

            for (int i=0;i<=10;i++){
                System.out.println(Thread.currentThread().getName()+"---->"+i+"---->"+loop);
            }
            flag=1;
            c1.signal();//通知
        }finally {
            lock.unlock();
        }
    }
}
public class ThreadDemo2 {

    public static void main(String[] args) {
        ShareResource shareResource=new ShareResource();

        new Thread(()->{
            for (int i=0;i<5;i++){
                try {
                    shareResource.print5(i);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        },"aa").start();
        new Thread(()->{
            for (int i=0;i<10;i++){
                try {
                    shareResource.print10(i);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        },"bb").start();
        new Thread(()->{
            for (int i=0;i<15;i++){
                try {
                    shareResource.print15(i);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        },"cc").start();
    }

}
